Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fog/Mist

77°F

25°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.88 in
Dewpoint 77°F (25°C)
Visibility 6.00 mi
Heat Index78°F (26°C)
Last update 18 Jun 7:25 pm EDT
Extended Forecast for

Perryville MD

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Partly cloudy, with a low around 75. Southwest wind 3 to 6 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Increasing clouds, with a high near 88. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Sunny then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 69. Southwest wind around 10 mph becoming west after midnight.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 82. Northwest wind around 9 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. West wind 3 to 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Juneteenth
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 88. Southwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. Southwest wind around 10 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Sunny, with a high near 82. Northwest wind around 9 mph.
Friday Night
Partly cloudy, with a low around 69. West wind 3 to 5 mph.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Perryville MD
 39.57°N 76.07°W (Elev. 79 ft)
7:30 pm EDT Jun 18, 2025
7pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database